Zucker Enterprises manufactures painted porcelain dolls. Zucker conducted a time study of the painting task. The painters took f
rom ½-hour to 1½ hours to paint one doll. Zucker Enterprises pays its painters $18.00 per hour. The company also pays $11.00 per doll for materials. It wants to spend no more than $24.50 in prime costs. What is the longest time a painter should spend painting a doll?